What does a 200 Series server return code indicate?

A 200 Series server return code indicates a successful response from the server. Specifically, a status code within this range, particularly the widely recognized 200 OK, means that the request made by the client was successfully processed by the server. It signifies that the server has completed the request successfully and is returning the requested resource or information without any issues.

In the context of web transactions, a 200 status code is an important indicator for both users and developers, as it assures that everything went as expected. This kind of feedback allows clients or browsers to know that they can proceed with using the data or content received. Understanding this code is crucial for troubleshooting, as it forms part of the foundation for error handling and response management in web development and network communications.